A Global Simulation Model for Hermetic Reciprocating Compressors

[+] Author and Article Information
M. A. de los Santos, S. Cardona, J. Sánchez-Reyes

Department of Mechanical Engineering, Polytechnic University of Catalonia, ETSEIB, Diagonal 647, 08028 Barcelona, Spain

J. Vib. Acoust 113(3), 395-400 (Jul 01, 1991) (6 pages) doi:10.1115/1.2930197 History: Received April 01, 1990; Online June 17, 2008


This article presents a simulation model for reciprocating hermetic compressors. The acoustical behavior of both admission and discharge circuits is analyzed by invoking the discrete element model. Cavities are considered as elastic elements and ducts as rigid elements with inertia according to this model. Reed valves are modeled as systems of three degrees of freedom, and are studied by using modal analysis. The percussive version of Lagrange equations is used to describe the impact between valves and stops or seats. Results from the theoretical model are checked with those experimentally obtained for a real compressor.

Copyright © 1991 by The American Society of Mechanical Engineers
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